NAME
acpithinkpad —
IBM/Lenovo ThinkPad ACPI
support
SYNOPSIS
acpithinkpad* at acpi?
DESCRIPTION
The acpithinkpad driver provides ACPI
support for IBM/Lenovo ThinkPad laptops. It responds to various hotkey
button presses such as the brightness adjustment and wireless toggle
keys.
The acpithinkpad driver sets up various
sensors that indicate the current state of certain hardware devices present
on ThinkPad laptops. These include temperature sensors and fan rotational
speed sensors, as well as a sensor indicating the current state of the port
replicator device. These sensors can be used with
sensorsd(8) to perform events on sensor state changes. Note that the
port replicator indicator will report a state of UNKNOWN until the first
port replicator connect/disconnect event is received.
SEE ALSO
HISTORY
The acpithinkpad driver first appeared in
OpenBSD 4.4.